Cheapest one-way flights from Boston to San Juan in April from 103€

Best time to book flights for Boston (BOS) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest one-way flights from Boston (BOS) to San Juan (SJU) in April 2025 (see full year).

One-Way flights

01 Apr Frontier Airlines direct
15 Apr Frontier Airlines direct
08 Apr Frontier Airlines direct
16 Apr Delta direct
17 Apr Frontier Airlines direct
05 Apr Frontier Airlines
18 Apr Delta
18 Apr Delta direct
19 Apr Frontier Airlines

Also check the deals for return flights from Boston to San Juan in April.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in San Juan

Cheap car rent in San Juan